SXSW is an annual conference in Austin, Texas that brings together professionals in the interactive, film, and music industries. It has over 75,000 participants each year across its three festivals. The conference provides opportunities for networking, learning about emerging trends and innovations, finding jobs or internships, and promoting brands. It features panels, workshops, keynote speakers, and social events that allow attendees to gain insights on topics like digital media, entrepreneurship, technology, and storytelling.